What protection do respirators offer compared to surgical masks?

Respirators filter about 95% of airborne particles, while surgical masks block approximately 40%, according to studies.

How did the WHO respond to the call for new mask guidelines?

A WHO spokesperson indicated the letter would receive careful review, and the organization is currently updating its infection control guidelines.

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Surgical Masks Fail Against Covid: Experts Demand Respirators

Q: Why are experts calling for changes to WHO mask guidelines?

Experts believe surgical masks offer inadequate protection against airborne pathogens like Covid-19 and recommend respirators for better safety.

9 Jan

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Summary

Experts argue surgical masks offer inadequate protection against airborne pathogens like Covid.
They urge WHO to replace surgical masks with respirator-level masks for healthcare workers.
Respirators filter 95% of particles, while surgical masks block only about 40%.

Surgical Masks Fail Against Covid: Experts Demand Respirators

A group of experts is urging the World Health Organization (WHO) to update its guidelines, recommending that healthcare professionals switch from surgical masks to respirator-level masks for all patient interactions. They contend that surgical masks are obsolete and offer insufficient protection against airborne pathogens like Covid-19, with studies suggesting they only block approximately 40% of relevant particles, compared to respirators' 95% efficacy.